Looking for the price of a flight from Seattle Lake Union to Washington Dulles?

There’s no fixed price — fares between Seattle and Washington can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Flying from or to Seattle and Washington? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Seattle: You have 2 departure options - Boeing Field, Lake Union.
• Airports in Washington: Arrivals into Washington are possible from 3 airports - Dulles international, Ronald Reagan, Washington International.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Match your flight search to your preferences: Seattle Lake Union – Washington Dulles

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Atlanta, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.